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If average velocity of a sample of gas molecules at 300 K is `5 cm s^(-1)` , what is RMS velocity of sample of gas molecules at the same temperature ? (Given , `alpha : u : v = 1 : 1 .224 : 1.127)`

A

6.112 cm / s

B

4.605 cm /s

C

4.085 cm /s

D

5.430 cm/s

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The correct Answer is:
D
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